209880459562

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{78138667}}^1$

素因数の和:78138765

約数の個数: 16

約数和(自身を含む): 337559045760

約数和(自身を除く): 127678586198

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 78138667, 156277334, 1328357339, 2656714678, 6172954693, 12345909386, 104940229781, 209880459562]

約数ペア:

[(1, 209880459562), (2, 104940229781), (17, 12345909386), (34, 6172954693), (79, 2656714678), (158, 1328357339), (1343, 156277334), (2686, 78138667)]